new index	atom name	original index
1	C	1
2	C	2
3	C	3
4	C	6
5	C	4
6	C	7
7	C	8
8	C	9
9	C	5
10	N	10
11	N	11
12	N	12
13	O	13
14	O	14
15	O	15
16	O	16
17	O	17
18	H	18
19	H	19
20	H	20
21	H	21
22	H	22
23	H	23
24	H	24
25	H	25
26	H	26
27	H	27
28	H	28
29	H	29
30	H	30